The ecological stone system that's kind to the environment.

SF-RIMA ^TM permeable pavements reduce or eliminate storm water runoff, decrease flooding and relieve sewer systems - yet provide a sturdy pavement for vehicular traffic.

SF-RIMA ^TM , with it's unique spacer design, can be installed in two very different ways:

For water drainage:

Installed in closed assembly with spacer on stone. Joints willed with gravel. Ideal for mechanized installation. Stone requirements: 22.8 stones/m2

For turf growth:

 With larger joints - spacer on spacer - filled with a soil-grave mix. Stone requirements: 20.4 stones/m2

Suitable for heavy loads and traffic.

Composition and Manufacture
SF-RIMA ^TM is made from a "no slump" concrete mix. Made under extreme pressure and high-frequency vibrations. SF-RIMA ^TM has a compressive strength greater than 8000 psi, a water absorption maximum of 5% and will meet or exceed ASTM C-936 and freeze-thaw testing per section 8 of ASTM C-67.

The joint material and the foundation (paver bed, subbase, subgrade) must be permeable.

Dimensions
Height/thickness           3 1/8''  =   80mm
Length (w/o spacers)    7 3/4''  = 196mm
Width (w/o spacers)     7 3/4''  = 196mm
Drain joint                       1/2''  =   13mm
Turf joint                          1''    =   25mm

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